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A B-watch for Reichs-Luftfahrtministerium (air ministry) Presumably assembled by Wempe. Black face, hands with luminous substance. Outside cover with exterior imprint "RLM NAV. B.-UHR 0373". Mechanism probably by Minerva. Watch starts running
![Cover Image, Volume 530, Issue 10 - Uhr - 2022 - Journal of Comparative Neurology - Wiley Online Library Cover Image, Volume 530, Issue 10 - Uhr - 2022 - Journal of Comparative Neurology - Wiley Online Library](https://onlinelibrary.wiley.com/cms/asset/718ca5bd-0dc7-4c93-9619-141c020d91be/cne25341-gra-0001-m.jpg)
Cover Image, Volume 530, Issue 10 - Uhr - 2022 - Journal of Comparative Neurology - Wiley Online Library
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A Crash Course In Flieger (Pilot) And B-Uhren (Navigator) Watches Covering Both Historic And Modern Examples (A Pilot's Watch Photofest!) - Quill & Pad
![A B-watch for Reichs-Luftfahrtministerium (air ministry) Presumably assembled by Wempe. Black face, hands with luminous substance. Outside cover with exterior imprint "RLM NAV. B.-UHR 0373". Mechanism probably by Minerva. Watch starts running A B-watch for Reichs-Luftfahrtministerium (air ministry) Presumably assembled by Wempe. Black face, hands with luminous substance. Outside cover with exterior imprint "RLM NAV. B.-UHR 0373". Mechanism probably by Minerva. Watch starts running](https://l450v.alamy.com/450v/t8mtbg/a-b-watch-for-reichs-luftfahrtministerium-air-ministry-presumably-assembled-by-wempe-black-face-hands-with-luminous-substance-outside-cover-with-exterior-imprint-rlm-nav-b-uhr-0373-mechanism-probably-by-minerva-watch-starts-running-but-stops-after-a-few-seconds-one-of-the-first-b-watches-delivered-to-the-reichs-luftfahrtministerium-with-a-very-low-serial-number-directly-from-private-possession-see-also-lots-no-6416-6421-and-7137-from-the-estate-of-the-same-pilot-and-observer-historic-historical-air-force-branch-of-service-branches-of-service-armed-serv-editorial-use-only-t8mtbg.jpg)